Changes for page MQTT Forward Instruction

Last modified by Kilight Cao on 2024/08/31 16:26
<
From version < 37.10 >
edited by Xiaoling
on 2022/06/01 10:45
To version < 44.3 >
edited by Xiaoling
on 2022/07/14 15:43
>
Change comment: There is no comment for this version

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1 -**~ Contents：**
1 +**~ Table of Contents：**
2 2  
3 3  {{toc/}}
4 4  
5 5  
6 -= 1. Introduction =
6 += 1.  Introduction =
7 7  
8 +
8 8  Dragino LoRa/LoRaWAN gateway support MQTT forwarding. It can forward the sensor data from LoRa network to MQTT server , and vice verse.
9 9  
10 10  
11 -== 1.1 Support Devices ==
12 +== 1.1  Support Devices ==
12 12  
14 +
13 13  This MQTT forward instruction is for below devices:
14 14  
15 15  * Firmware Version > LG02_LG08-5.3.1580178039 [[Firmware Download>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]]
... ... @@ -22,8 +22,10 @@
22 22  
23 23  
24 24  
25 -= 2. Firmware Change Log for MQTT feature =
26 26  
28 += 2.  Firmware Change Log for MQTT feature =
29 +
30 +
27 27  (((
28 28  This instruction is wrote start from LG02_LG08-5.3.1580178039. Below is related change log since this version of firmware.
29 29  )))
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33 33  
34 34  
35 35  
36 -= 3. MQTT forward operating principle =
37 37  
38 -== 3.1 Network Structure ==
41 += 3.  MQTT forward operating principle =
39 39  
43 +
44 +== 3.1  Network Structure ==
45 +
46 +
40 40  Below shows the network structure for MQTT forwarding.
41 41  
42 42  * For Uplink: The sensor sends data to LoRa Gateway via LoRa wireless, The gateway will process these data and forward to remote MQTT Broker via Internet.
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105 105  * USERNAME: User ID (-u)
106 106  * HOSTNAME: Device Hostname
107 107  
108 -
109 -
110 110  === 3.3.2 -m message macro ===
111 111  
112 112  * HOSTNAME: Device Hostname
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115 115  * META: Completely sensor data with time stamp and rssi
116 116  * JSON: Convert META to json format.
117 117  
118 -
119 -
120 120  === 3.3.3 Example for Macro ===
121 121  
122 122  [[image:image-20220527134251-4.png]]
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123 123  
124 124  MQTT Publish configure
125 125  
129 +
126 126  Above screen shots shows below format:
127 127  
128 128  * -t: CLIENTID/CHANNEL/data
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134 134  
135 135  Sensor Data
136 136  
141 +
137 137  (((
138 138  According to above macro. Gateway will publish (% style="color:#4f81bd" %)**field1=22.0&field2=49.0**(%%) to topic: (% style="color:#4f81bd" %)**dragino-1b7060/78901/data**(%%), where 78901 is the remote channel for this node ID.
139 139  )))
... ... @@ -340,6 +340,7 @@
340 340  
341 341  go to mqtt configure menu
342 342  
348 +
343 343  (((
344 344  Select (% style="color:#4f81bd" %)**Forward to MQTT server**. (% style="color:red" %)**Notice**(%%): This option is removed from the latest firmware, in the latest firmware, if user submit "SAVE & APPLY" in MQTT page, the gateway will use MQTT service.
345 345  )))
... ... @@ -457,6 +457,7 @@
457 457  LoRa Parameter should match
458 458  
459 459  
466 +
460 460  Below is the test result after the Arduino Sketch is running.
461 461  
462 462  [[image:image-20220527140459-19.png]]
... ... @@ -464,6 +464,7 @@
464 464  Upstream Data Flow
465 465  
466 466  
474 +
467 467  [[image:image-20220527140542-20.png]]
468 468  
469 469  Downstream Data Flow
... ... @@ -495,20 +495,18 @@
495 495  
496 496  (((
497 497  (((
498 -(% style="color:#4f81bd" %)**Step 3**(%%): Set up publish format and MQTT channel. The LG308 will store the Data from End node in (% style="color:#4f81bd" %)**HEX format**(%%) in the file. And we need to config the format to (% style="color:#4f81bd" %)**META**
506 +(% style="color:#4f81bd" %)**Step 3**(%%): Set up publish format and MQTT channel. The LG308 will store the Data from End node in (% style="color:#4f81bd" %)**HEX format**(%%) in the file.
499 499  )))
500 500  )))
501 501  
502 -[[image:image-20220527141450-22.png]]
510 +[[image:image-20220613191345-4.png]]
503 503  
504 -Publish mush use META as data format for LG308
505 505  
506 506  
507 507  (% style="color:#4f81bd" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server.
508 508  
509 -[[image:image-20220527141727-23.png]]
516 +[[image:image-20220613190635-2.png]]
510 510  
511 -Map Dev Addr to remote ID
512 512  
513 513  
514 514  (% style="color:#4f81bd" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server
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515 515  
516 516  [[image:image-20220527141843-24.png]]
517 517  
518 -Upstream Process
519 519  
520 520  
526 +
521 521  [[image:image-20220527141933-25.png]]
522 522  
523 523  Choose ASCII Format
524 524  
525 525  
532 +
526 526  [[image:image-20220527142028-26.png]]
527 527  
528 528  LHT65 Decoder
529 529  
530 530  
538 +
531 531  (% style="color:#4f81bd" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream.
532 532  
533 -[[image:image-20220527142115-27.png]]
541 +[[image:image-20220613191426-5.png]]
534 534  
535 -Subscribe to a topic
536 536  
537 537  
538 538  (% style="color:#4f81bd" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server.
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539 539  
540 540  [[image:image-20220527142239-28.png]]
541 541  
542 -Downstream Flow
543 543  
550 +
551 +=== MQTT Downstream format ===
552 +
553 +
554 +mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload**"
555 +
556 +(% class="box infomessage" %)
557 +(((
558 +mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello"
559 +)))
560 +
561 +mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload,txpw,txbw,SF,frequency,rxwindow**"
562 +
563 +(% class="box infomessage" %)
564 +(((
565 +mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello,20,1,SF12,923300000,2 > /var/iot/push/test"
566 +)))
567 +
568 +Or use [[MQTT.fx>>https://mqttfx.jensd.de/index.php/download]]
569 +
570 +[[image:image-20220613192816-6.png||height="440" width="1056"]]
571 +
544 544  (% style="color:red" %)**Notice: The text use for Downstream must meet the requirement from [[LG308 Downstream Payload>>Communicate with ABP End Node without LoRaWAN Network Server --- LG308||anchor="H2.2Downstream"]]**
545 545  
574 +Check out this link for more mosquito-related directives [[https:~~/~~/mosquitto.org/man/mosquitto_pub-1.html>>https://mosquitto.org/man/mosquitto_pub-1.html]]
546 546  
547 547  = 5. How to Debug =
548 548  
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